Perhaps you should try some spelling variations:
nutrition requirements » nutritional requirements, nutrient requirements
requirements do » requirements _, requirements a, requirements 28
do dimensional » d dimensional, o dimensional, two dimensional
arrays imaging » assays imaging, pathways imaging
array imaging » airway imaging, ray imaging, artery imaging
array string » array strong, arrays strings, array sharing

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nutrition requirements do dimensional ((((array imaging) or (arrays imaging))) or (array string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nutrition requirements do dimensional ((((array imaging) OR (arrays imaging))) OR (array string)).
• Adding a wildcard symbol may retrieve word variants: nutrition requirements do dimensional ((((array imaging) or (arrays imaging))) or (array string))*.